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Re: [Fot] MK1 GT6 head help

To: "Friends of Triumph" <>
Subject: Re: [Fot] MK1 GT6 head help
From: Tony Drews <>
Date: Sat, 25 Oct 2008 15:45:55 -0500
It's certainly helpful if the flange of the exhaust and intake 
manifolds are the same thickness.  Ideally, you'd have a thick flange 
on the exhaust manifold  - helps prevent warping too.  But, you can 
weld little blocks on a thinner flange to match thicknesses.  Jack 
had some special compressible intake / exhaust gaskets made up for 
the TR-4 that helped greatly, but were like $70 per set (2 
gaskets).  They are not re-usable.  I don't think he had pursued 
other models of TR, but I'd be willing to take a stab at that if 
there's enough interest.  Given enough interest in a given model, I 
need a set of the "stock" gaskets and notes of any changes needed in 
their design for things like milled heads.

For the TR-4, we had them designed so that they'd work with milled 
heads, and I really need to have a few sets made up with smaller 
intake holes - my weber manifold barely touches the gasket with the 
hole the same size as the normal "heavy duty" gaskets.

- Tony Drews

At 03:31 PM 10/25/2008, Andre Rousseau wrote:
>Kas and I have been discussing some issues that I'm experiencing with the
>GT6 intake and header.
>After looking at a friends Spit with a PRI header which has this huge plate
>to bolt to the head,
>I am wondering if I should try and design a "sandwich" plate to mate up to
>the intake and header?
>If it was done right and thick enough, I figure it would provide a means to
>ensure even pressure across the various pieces.
>As Kas just told me, the head was designed by a tractor guy!
>Its a cold rainy day in Ottawa. So as my driving season is all but done, I
>need something to day dream about.
>Andre Rousseau -
>'68 Triumph GT6 MK1 -
>Ottawa, ON, Canada
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